AU2002329277A1 - Method for cleaning and passivating zinc and zinc alloy surfaces - Google Patents

Method for cleaning and passivating zinc and zinc alloy surfaces

Info

Publication number
AU2002329277A1
AU2002329277A1 AU2002329277A AU2002329277A AU2002329277A1 AU 2002329277 A1 AU2002329277 A1 AU 2002329277A1 AU 2002329277 A AU2002329277 A AU 2002329277A AU 2002329277 A AU2002329277 A AU 2002329277A AU 2002329277 A1 AU2002329277 A1 AU 2002329277A1
Authority
AU
Australia
Prior art keywords
zinc
cleaning
passivating
alloy surfaces
zinc alloy
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU2002329277A
Inventor
Wolf-Dieter Franz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of AU2002329277A1 publication Critical patent/AU2002329277A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F1/00—Electrolytic cleaning, degreasing, pickling or descaling
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation
    • C25D11/34—Anodisation of metals or alloys not provided for in groups C25D11/04 - C25D11/32
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/36—Phosphatising
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/34—Pretreatment of metallic surfaces to be electroplated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Electrolytic Production Of Metals (AREA)
  • ing And Chemical Polishing (AREA)
  • Electroplating Methods And Accessories (AREA)

Abstract

Cleaning zinc or zinc alloy surfaces comprises passivating the surface, and treating with a solution containing phosphoric acid and an alcohol when the surface is connected to an anode. An Independent claim is also included for a process for coating a zinc or zinc alloy surface.
AU2002329277A 2002-04-12 2002-09-11 Method for cleaning and passivating zinc and zinc alloy surfaces Abandoned AU2002329277A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP02008422.4 2002-04-12
EP02008422A EP1361297B1 (en) 2002-04-12 2002-04-12 Method for cleaning and passivation of the surfaces of zinc or zincalloys
PCT/EP2002/010195 WO2003087438A1 (en) 2002-04-12 2002-09-11 Method for cleaning and passivating zinc and zinc alloy surfaces

Publications (1)

Publication Number Publication Date
AU2002329277A1 true AU2002329277A1 (en) 2003-10-27

Family

ID=29225588

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002329277A Abandoned AU2002329277A1 (en) 2002-04-12 2002-09-11 Method for cleaning and passivating zinc and zinc alloy surfaces

Country Status (5)

Country Link
EP (1) EP1361297B1 (en)
AT (1) ATE272133T1 (en)
AU (1) AU2002329277A1 (en)
DE (1) DE50200704D1 (en)
WO (1) WO2003087438A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3716462A (en) * 1970-10-05 1973-02-13 D Jensen Copper plating on zinc and its alloys
US3663386A (en) * 1971-02-08 1972-05-16 Basf Wyandotte Corp Electrocleaner composition and process
GB1536177A (en) * 1976-12-07 1978-12-20 Nat Res Dev Anodising a compound semiconductor
JPS60248898A (en) * 1983-06-30 1985-12-09 Chobe Taguchi Derusting solution for electrolysis

Also Published As

Publication number Publication date
EP1361297A1 (en) 2003-11-12
EP1361297B1 (en) 2004-07-28
WO2003087438A1 (en) 2003-10-23
ATE272133T1 (en) 2004-08-15
DE50200704D1 (en) 2004-09-02

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase